1. Department of Medical Oncology Faculty of Medicine University of Tsukuba Tsukuba Japan
2. Department of General Thoracic Surgery Osaka University Graduate School of Medicine Suita Japan
3. Department of Respiratory Medicine Juntendo University Graduate School of Medicine Tokyo Japan
4. Department of Pulmonary Medicine Kyoto Prefectural University of Medicine Kyoto Japan
5. Department of Palliative Medicine Tohoku University School of Medicine Sendai Japan
6. Research Institute for Diseases of the Chest Graduate School of Medical Sciences Kyushu University Fukuoka Japan
7. Department of Allergy and Respiratory Medicine Okayama University Hospital Okayama Japan
8. Department of Medical Oncology Hokkaido University Graduate School of Medicine Sapporo Japan
9. Department of Medical Oncology Graduate School of Medicine Chiba University Chiba Japan
10. Department of Mathematics Science University of Tokyo Tokyo Japan
11. Department of General Thoracic Surgery Osaka Toneyama Medical Center Toyonaka Japan
12. Department of General Thoracic Surgery Graduate School of Medicine Chiba University Chiba Japan